Mathematics, 25.11.2019 22:31, tasphipps

The average starting salary of students who graduated from colleges of business in 2009 was $48,800. a sample of 100 graduates of 2010 showed an average starting salary of $50,000. assume the standard deviation of the population is known to be $7000. we want to determine whether or not there has been a significant increase in the starting salaries.

a. state the null and alternative hypotheses to be tested.

b. compute the test statistic.

c. the null hypothesis is to be tested at the 5% level of significance. determine the critical value for this test.

d. what do you conclude?

e. compute the p-value.

how do you compute using excel?

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 18:00, babydolltia28

Is a positive integer raised to a negative power always positive

Answers: 1

continue

Mathematics, 21.06.2019 21:00, hernandez09297

At oaknoll school, 90 out of 270 students on computers. what percent of students at oak knoll school do not own computers? round the nearest tenth of a percent.

Answers: 1

continue

Mathematics, 21.06.2019 23:00, camiserjai1832

Agroup of three friends order a combo meal which includes two slices of pizza and a drink each drink is priced at $2.50 the combined total of $31.50 how much is the cost of a slice of pizza

Answers: 2

continue

Mathematics, 22.06.2019 02:00, danielmartinez024m

The plant were you work has a cylindrical oil tank that is 2.5 feet across on the inside and 10 feet high. the depth of the oil in the tank is 2 feet. about how many gallons of oil are in the tank?

Answers: 2

continue

Do you know the correct answer?

The average starting salary of students who graduated from colleges of business in 2009 was $48,800....